Victory VX-27 Sport Arrow Shafts 200 Spine 12 Pieces Black. Engineered with 100percent carbon fiber with the perfect balance of speed stability and precision for nailing 10-rings. Specifications for Victory VX-27 Sport Arrow Shafts: Manufacturer: Victory Color: Black Fabric/Material: Carbon Fiber Quantity: 12 Spine: 200 Straightness: 0.006 in Features of Victory VX-27 Sport Arrow Shafts: 100percent carbon fiber construction Digitally spine-aligned for consistency Weight-matched within +/-0.5 grains per dozen Nano-ceramic coating for easier target removal Shaft ID: 0.383 in Shaft OD: 0.419 in Shaft length: 31 in Shaft weight: 8.8 GPI Included: 25 gr unibushing Included: IP6 .245 8 gr nock Package Contents: Victory VX-27 Sport Arrow Shafts Victory VX27S-200S-12: VX-27 Sport Arrow Shafts 200 Spine 12 Pieces Black